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check to make sure the belt tensioner is functional if not it needs to be replaced

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19y ago

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Why does my Serpentine belt does not turn when the car is running?

You probably have a siezed alternator or something. Take it off and see if all you're pulleys turn freely.


Why should pulleys be moving freely?

Pulleys should move freely to reduce friction and wear on the system, allowing for smoother operation. A freely moving pulley also ensures that the load is distributed evenly between multiple pulleys, leading to more efficient mechanical advantage.


Why does your 4 liter 1992 serpentine belt keep failing?

Defective belt tensioner, or incorrect belt. Also check pulleys to see if they are damaged or misalligned with the other pulleys. Check to make sure idler pulley and alternator turn freely and don't wobble or bind, which may indicate a bad bearing.


Why does it sound like a bird chirping squealing under the hood on a Ford Taurus Mercury Sable?

spray soapy water on belt while engine is running if noise stops change your serpentine belt if it still chirps you have a bad idler pulley or tensioner to make sure remove belt and spin each pulley by hand try to find the one that doesnt turn freely or noise


Why would the car be smoking and smelling like burning rubber after changing the serpentine belt?

It sounds like you either did not get the belt on a pulley all the way or the idler pulley is frozen up. Take the belt off and make sure the idler, or tensioner pulley, turns freely. Reinstall the belt and make sure you have it on all of the pulleys correctly.


My serpentine belt broke in my 1995 Cadillac Deville 4.9L engine I checked all of the pulleys and after consulting the repair book the only one not free moving was the crankcase pully replace and how?

The crankshaft pulley is the only one directly engine driven. All the others are driven by it. ( the crankshaft pulley) If all the other pulleys are turning freely, assuming the total mileage deems it necessary, the belt just wore thin and separated. Just replace it and go. Good luck


What will shred a serpentine belt on a Buick century?

It might just be age. They tend to crack when the rubber gets brittle. Otherwise, it could be a bad bearing in one of the units, quite likely the tensioner pulley. With the belt off, check to make sure they all turn freely. The tensioner pulley could have a weak spring which would cause the belt to slip over the other pulleys. Dirt on a pulley or a frayed edge could cause this also.


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How will you know if the idler pulley needs replaced on 1994 Mercury Grand Marguis?

Remove belt and check to see that it rotates freely and smoothly


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Mom stranded for 3 weeks new belt 4 times on a 91 Chrysler new yorker still jumps off pulleys do not appear to be wobbly pulleys turn freely except crankshaft when off what else needs to be checked?

AnswerCheck yoru idler pulley, it is the only pulley that really moves with the belt. Sometimes the spring behind or built into the idler pulley weaken.


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Mercury is a liquid at room temperature. When it heats up it expands, and when it cools it contracts. This is the re line that you see, and shows the temperature accurately. You usually have mercury because it is a liquid at room temperature, so it can go up and down freely. Hope this helps :)